求高手指点下面的四种表达：3-hour work;3-hour's work;three hours' work;thr

求高手指点下面的四种表达：3-hour work;3-hour's work;three hours' work;thr an hour's work 是什么意思 I get t___after three hour's hard work.I want to have a good work hour load 和 work hour 有什么区别? Mr.Diaz gets $6 an hour for doing 8 hours work,and 1 1/2（3/2 Why do people work so many hours?Some people work extra hour 我想问下3小时在英语中的表达是不是three hours 关于这hour什么时候该加S Traffic cah be bad,especially at rush hours.i work long hour it takes me about three quarters of an hour to get to work中文 It took me (three hour) to finish the work对括号提问 The work can___(finish) in three hours -It's an hour's work from here to the airport -Don't worry,I